Finding the Fourth Proportional to 210,419.49, 290,378.88 and 114,926.41
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Solution
The fourth proportional to 210,419.49, 290,378.88 and 114,926.41 is: 158,598.44
Step by Step Solution
- Step 1: Write the proportion equation
210,419.49 : 290,378.88 = 114,926.41 : x - Step 2: Convert to fraction form
210,419.49/290,378.88 = 114,926.41/x - Step 3: Cross multiply
210,419.49x = 290,378.88 × 114,926.41 - Step 4: Simplify right side
210,419.49x = 33,372,202,218.22 - Step 5: Solve for x
x = 33,372,202,218.22/210,419.49 - Step 6: Final answer
x = 158,598.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.